## Statistical Physics, Volume 5Elementary college physics course for students majoring in science and engineering. |

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Page 39

(not the “absolute temperature”)

thermometer we mean any small macroscopic system M arranged so that only

one of its macroscopic parameters changes when the system M absorbs or gives

off ...

(not the “absolute temperature”)

**measured**with a particular thermometer. By athermometer we mean any small macroscopic system M arranged so that only

one of its macroscopic parameters changes when the system M absorbs or gives

off ...

Page 203

The value of E of the system in a given macrostate has significance only when

are thus relevant physically and such energy differences can always be

The value of E of the system in a given macrostate has significance only when

**measured**with respect to its value in some ... Only differences in mean energyare thus relevant physically and such energy differences can always be

**measured**by ...Page 204

Heat The

ultimately reducible to the

system thus can be

...

Heat The

**measurement**of heat (commonly called calorimetry) is, by virtue of (13),ultimately reducible to the

**measurement**of work. The heat Q absorbed by asystem thus can be

**measured**in two slightly different ways: either by**measuring**it...

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### Contents

Characteristic Features of Macroscopic Systems | 1 |

A I | 2 |

I | 6 |

Copyright | |

26 other sections not shown

### Common terms and phrases

absolute temperature absorbed accessible approximation assume atoms average Avogadro's calculate classical collision Consider constant container corresponding cules denote discussion distribution ensemble entropy equal equilibrium situation equipartition theorem example exchange energy expression external parameters fluctuations function given heat capacity heat Q heat reservoir Hence ideal gas initial internal energy interval isolated system kinetic energy large number left half liquid ln Q macroscopic parameters macroscopic system macrostate magnetic field magnetic moment magnitude mass mean energy mean number mean pressure mean value measured mechanics mole molecular momentum number of molecules occur oscillator particle particular partition phase space piston position possible values Prob quantity quantum numbers quasi-static random relation result simply solid specific heat spin system statistical statistical ensemble statistically independent Suppose thermal contact thermal interaction thermally insulated thermometer tion total energy total magnetic total number unit volume velocity